81812072

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 157415400

約数和(自身を除く): 75603328

約数列:

[1, 2, 4, 8, 53, 106, 157, 212, 314, 424, 628, 1229, 1256, 2458, 4916, 8321, 9832, 16642, 33284, 65137, 66568, 130274, 192953, 260548, 385906, 521096, 771812, 1543624, 10226509, 20453018, 40906036, 81812072]

約数ペア:

[(1, 81812072), (2, 40906036), (4, 20453018), (8, 10226509), (53, 1543624), (106, 771812), (157, 521096), (212, 385906), (314, 260548), (424, 192953), (628, 130274), (1229, 66568), (1256, 65137), (2458, 33284), (4916, 16642), (8321, 9832)]